{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Combination.Drug", "Subject.Race", "Treatment.Time_elapsed", "Effect", "Treatment.Route", "Subject.Disorder", "Subject.Gender", "Subject.Population", "Subject", "Treatment.Drug", "Treatment.Dosage", "Treatment.Disorder", "Treatment.Duration", "Subject.Age", "Treatment.Freq", "Treatment"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Treatment.Time_elapsed", "Treatment.Freq", "Treatment.Disorder", "Subject.Age", "Subject.Disorder", "Treatment", "Subject", "Subject.Population", "Treatment.Dosage", "Subject.Race", "Treatment.Route", "Subject.Gender", "Treatment.Duration", "Combination.Drug", "Treatment.Drug"]}], "input": "The knowledge concerning VGB-associated visual dysfunction in pediatric patients, particularly in those who have been exposed to VGB in utero is limited."}
{"adverse event": [{"trigger": "associated ", "arguments": {"Combination.Drug": "NAN", "Subject.Race": "NAN", "Treatment.Time_elapsed": "NAN", "Effect": "visual dysfunction", "Treatment.Route": "NAN", "Subject.Disorder": "NAN", "Subject.Gender": "NAN", "Subject.Population": "NAN", "Subject": "pediatric patients", "Treatment.Drug": "VGB", "Treatment.Dosage": "NAN", "Treatment.Disorder": "NAN", "Treatment.Duration": "NAN", "Subject.Age": "pediatric", "Treatment.Freq": "NAN", "Treatment": "VGB"}}], "potential therapeutic event": []}